TY  - JOUR
AU  - R. Boukoucha
TI  - Limit cycles and phase portrait for a class of differential systems
JO  - Matematičeskie zametki SVFU
PY  - 2022
SP  - 72
EP  - 81
VL  - 29
IS  - 2
UR  - http://geodesic.mathdoc.fr/item/SVFU_2022_29_2_a5/
LA  - ru
ID  - SVFU_2022_29_2_a5
ER  -